1.Amid rumors that there were prehistoric mammoths wandering around the unknown region and that somewherein its wilds was a mountain of rock salt 80 by 45 miles in extent，the two captains set out．
2. Soldiers rarely hold the ideals that movies attribute to them. nor do ordinary citizens devote their lives to unselfish service of humanity．
3. Indeed，had it not been for the superb preservation of these fossils，they migh well have been classified as Dinosaurs．
示例1：Time ______, the celebration will be held as scheduled.
A. permit B. permitting C. permitted D. permits
原：After class was over (=class being over/ class over), the students soon left the classroom.
改：Class being over/ class over, the students soon left the classroom.